Jefferson is a city in Marion County in Northeastern Texas, United States. The population was 2,106 at the 2010 census, and 2,533 as of 2018's census estimates. It is the county seat of Marion County, Texas, and is situated in East Texas. The city is a tourist destination, with popular attractions including: Jay Gould's Railroad car, the Sterne Fountain, Jefferson Carnegie Library, Excelsior House, the House of the Four Seasons, and the bayous formed... Show more

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